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Physicists at the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) in Hamburg have discovered a striking new form of quantum behavior. In star-shaped Kagome crystals—named after a traditional Japanese bamboo-basket woven pattern—electrons that usually act like a noisy crowd suddenly synchronize, forming a collective “song” that evolves with the crystal’s shape. The study, published in Nature, reveals that geometry itself can tune quantum coherence, opening

A time crystal, a long-life quantum system approaching perpetual motion, has been hooked up to its environment for the first time, unlocking an intriguing way to increase quantum computational and sensing power.

Although quantum technology holds great promise for enabling faster computing, more secure communication and new types of sensing, different quantum systems often don’t interact well with each other. To address this, engineers have developed platforms based on a type of phonon known as a surface acoustic wave. However, the limited propagation distance due to high loss and inherently open 2D structure of existing solutions make such devices relatively large, posing a barrier t

Optical micrograph of the monolayer tungsten diselenide sample, with the right-hand side functionalized with PTCDA. @ Mark...

Detection of time-bin superpositions with the temporal Talbot carpet. @ Maciej Ogrodnik, University of Warsaw In the era of instant data...

Quantum computers will need large numbers of qubits to tackle challenging problems in physics, chemistry, and beyond. Unlike classical bits, qubits can exist in two states at once—a phenomenon called superposition. This quirk of quantum physics gives quantum computers the potential to perform certain complex calculations better than their classical counterparts, but it also means the qubits are fragile. To compensate, researchers are building quantum computers with extra, red